AS45102 47.250.72.0/21 CIDR and IP Range Summary.ASN: 45102 - Alibaba US Technology Co. Ltd.Host Count: 2046Addressable IPs: 204847.250.72.0/2447.250.73.0/2447.250.74.0/2447.250.75.0/2447.250.76.0/2447.250.77.0/2447.250.78.0/2447.250.79.0/24